Update.

* sysdeps/unix/sysv/linux/x86_64/lowlevellock.h (__lll_lock_wait):
	Reverse order of parameters.
	(__lll_timedwait_tid): Remove regparms attribute.
	* sysdeps/unix/sysv/linux/x86_64/lowlevellock.S: New file.
	* sysdeps/unix/sysv/linux/x86_64/libc-lowlevellock.S: New file.

nptl/ChangeLog

@@ -1,5 +1,11 @@
 2003-03-10  Ulrich Drepper  <drepper@redhat.com>
 
+	* sysdeps/unix/sysv/linux/x86_64/lowlevellock.h (__lll_lock_wait):
+	Reverse order of parameters.
+	(__lll_timedwait_tid): Remove regparms attribute.
+	* sysdeps/unix/sysv/linux/x86_64/lowlevellock.S: New file.
+	* sysdeps/unix/sysv/linux/x86_64/libc-lowlevellock.S: New file.
+
 	* sysdeps/unix/sysv/linux/i386/i486/lowlevellock.S
 	(__lll_timedwait_tid): Remove one unnecessary instruction.
 

nptl/sysdeps/unix/sysv/linux/x86_64/libc-lowlevellock.S

@@ -0,0 +1,30 @@
+/* Copyright (C) 2002, 2003 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
+
+/* In libc.so we do not unconditionally use the lock prefix.  Only if
+   the application is using threads.  */
+#ifndef UP
+# define LOCK \
+	cmpl	$0, __libc_multiple_threads_ptr(%rip); 			      \
+	je	0f;							      \
+	lock;								      \
+0:
+#endif
+
+#include "lowlevellock.S"

nptl/sysdeps/unix/sysv/linux/x86_64/lowlevellock.S

@@ -0,0 +1,168 @@
+/* Copyright (C) 2002, 2003 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
+
+#include <sysdep.h>
+
+	.text
+
+#ifndef LOCK
+# ifdef UP
+#  define LOCK
+# else
+#  define LOCK lock
+# endif
+#endif
+
+#define SYS_gettimeofday	__NR_gettimeofday
+#define SYS_futex		202
+#define FUTEX_WAIT		0
+#define FUTEX_WAKE		1
+
+#define ETIMEDOUT               110
+
+
+	/* Modified: %rax, %rsi.  */
+	.globl	__lll_lock_wait
+	.type	__lll_lock_wait,@function
+	.hidden	__lll_lock_wait
+	.align	16
+__lll_lock_wait:
+	pushq	%r10
+	pushq	%rdx
+
+	xorq	%r10, %r10	/* No timeout.  */
+
+1:
+	leal	-1(%esi), %edx	/* account for the preceeded xadd.  */
+	movq	%r10, %rsi	/* movl $FUTEX_WAIT, %ecx */
+	movq	$SYS_futex, %rax
+	syscall
+
+	orl	$-1, %esi	/* Load -1.  */
+	LOCK
+	xaddl	%esi, (%rdi)
+	jne,pn	1b
+
+	movl	$-1, (%rdi)
+
+	popq	%rdx
+	popq	%r10
+	retq
+	.size	__lll_lock_wait,.-__lll_lock_wait
+
+
+#ifdef NOT_IN_libc
+	.globl	lll_unlock_wake_cb
+	.type	lll_unlock_wake_cb,@function
+	.hidden	lll_unlock_wake_cb
+	.align	16
+lll_unlock_wake_cb:
+	pushq	%rsi
+	pushq	%rdx
+
+	LOCK
+	addl	$1, (%rdi)
+	jng	1f
+
+	popq	%rdx
+	popq	%rsi
+	retq
+	.size	lll_unlock_wake_cb,.-lll_unlock_wake_cb
+#endif
+
+
+	.globl	__lll_unlock_wake
+	.type	__lll_unlock_wake,@function
+	.hidden	__lll_unlock_wake
+	.align	16
+__lll_unlock_wake:
+	pushq	%rsi
+	pushq	%rdx
+
+1:	movq	$FUTEX_WAKE, %rsi
+	movl	$1, %edx	/* Wake one thread.  */
+	movq	$SYS_futex, %rax
+	movl	%edx, (%rdi)	/* Stores '$1'.  */
+	syscall
+
+	popq	%rdx
+	popq	%rsi
+	retq
+	.size	__lll_unlock_wake,.-__lll_unlock_wake
+
+
+#ifdef NOT_IN_libc
+	.globl	__lll_timedwait_tid
+	.type	__lll_timedwait_tid,@function
+	.hidden	__lll_timedwait_tid
+	.align	16
+__lll_timedwait_tid:
+	movl	%rdi, %r8
+	movl	%rsi, %r9
+
+	subq	$16, %rsp
+
+	/* Get current time.  */
+2:	movq	%rsp, %rdi
+	xorq	%rsi, %rsi
+	movq	$SYS_gettimeofday, %rax
+	syscall
+
+	/* Compute relative timeout.  */
+	movq	8(%esp), %rax
+	movq	$1000, %rdi
+	mul	%rdx		/* Milli seconds to nano seconds.  */
+	movq	(%r9), %rdi
+	movq	8(%r9), %rsi
+	subq	(%rsp), %rdi
+	subq	%rax, %rsi
+	jns	5f
+	addq	$1000000000, %rsi
+	decq	%rdi
+5:	testq	%rdi, %rdi
+	js	6f		/* Time is already up.  */
+
+	movq	%rdi, (%rsp)	/* Store relative timeout.  */
+	movq	%rsi, 8(%rsp)
+
+	movl	(%r8), %edx
+	testl	%edx, %edx
+	jz	4f
+
+	movq	%rsp, %r10
+	xorq	%rsi, %rsi	/* movl $FUTEX_WAIT, %ecx */
+	movq	%r8, %rdi
+	movq	$SYS_futex, %rax
+	syscall
+
+	cmpl	$0, (%rdi)
+	jne	1f
+4:	xorl	%eax, %eax
+
+	addq	$16, %rsp
+	retq
+
+1:	cmpq	$-ETIMEDOUT, %rax
+	jne	2b
+
+6:	movl	$ETIMEDOUT, %eax
+	addq	$16, %rsp
+	retq
+	.size	__lll_timedwait_tid,.-__lll_timedwait_tid
+#endif

nptl/sysdeps/unix/sysv/linux/x86_64/lowlevellock.h

@@ -126,7 +126,7 @@ typedef int lll_lock_t;
 #define LLL_LOCK_INITIALIZER_LOCKED	(0)
 
 
-extern int __lll_lock_wait (int val, int *__futex) attribute_hidden;
+extern int __lll_lock_wait (int *__futex, int val) attribute_hidden;
 extern int __lll_unlock_wake (int *__futex) attribute_hidden;
 extern int lll_unlock_wake_cb (int *__futex) attribute_hidden;
 
@@ -256,7 +256,7 @@ extern int lll_unlock_wake_cb (int *__futex) attribute_hidden;
   } while (0)
 
 extern int __lll_timedwait_tid (int *tid, const struct timespec *abstime)
-     __attribute__ ((regparm (2))) attribute_hidden;
+     attribute_hidden;
 #define lll_timedwait_tid(tid, abstime) \
   ({									      \
     int __result = 0;							      \